PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2021Chain Assembly,single Leg

Blue Tee Corp. Dba Gefco · NSN 4010-01-133-8505 · FSC 4010 · No Item Name Available
Verified by PartsTable
NSN 4010-01-133-8505 — this item is cataloged by the U.S. Government under National Stock Number 4010-01-133-8505. Primary manufacturer part number: S2021.
Features
  • Chain Assembly,single Leg — FSC 4010
  • 1 verified cross-reference
  • Primary manufacturer: Blue Tee Corp. Dba Gefco
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Chain Assembly,single Leg, cataloged under National Stock Number 4010-01-133-8505, is classified within Federal Supply Class 4010 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is Blue Tee Corp. Dba Gefco. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameChain Assembly,single Leg
FSC / FSG4010 — No Item Name Available (FSG 40)
ManufacturersBlue Tee Corp. Dba Gefco (CAGE 21363)
Technical Specifications
ParameterValue
NSN4010-01-133-8505
Primary Part NumberS2021
Item NameChain Assembly,single Leg
FSC / FSG4010 / 40 — No Item Name Available
ManufacturerBlue Tee Corp. Dba Gefco
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5998-01-190-6548S-202 INTERCHANGEABLE
Retainer-Ejector,electrical Card
Schroff Inc
Cross-Reference Index
Part NumberManufacturer
S2021 PRIMARY Blue Tee Corp. Dba Gefco (USA)
Related Parts
5998-01-190-6548INTERCHANGEABLE
RETAINER-EJECTOR,ELECTRICAL CARD
S-202

Frequently Asked Questions

What is NSN 4010-01-133-8505?

NSN 4010-01-133-8505 is a Chain Assembly,single Leg, manufactured by Blue Tee Corp. Dba Gefco, classified under FSC 4010 (No Item Name Available). Status: active.

What are the part numbers for NSN 4010-01-133-8505?

NSN 4010-01-133-8505 has 1 cross-referenced part number: S2021 (Blue Tee Corp. Dba Gefco).

What NSN replaces 4010-01-133-8505?

There is 1 known substitute for 4010-01-133-8505: 5998-01-190-6548. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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